88% Polyester / 12% Spandex Climalite fabric sweeps sweat away from skin; compression fit for support and reduced muscle vibration Ultra-soft seams and strategically placed flatlock seams for reduced chafing Compression fit for support and reduced muscle vibration At Reebok, everything we do is bound by one simple thought: we strive to help you perform at your best. Your success is our ambition. Your defeat spurs us on to be better.